title: Effect of chromosomal breaks induced by x-irradiation on the number of mesosomes and the cytoplasmic organization of Streptococcus faecalis.
mesh_terms: D002463:Cell Membrane Permeability / Q000528:radiation effects; D002876:Chromosomes, Bacterial / Q000528:radiation effects*; D003593:Cytoplasm / Q000528:radiation effects / Q000648:ultrastructure; D004269:DNA, Bacterial; D004277:DNA, Single-Stranded; D004307:Dose-Response Relationship, Radiation; D013293:Enterococcus faecalis / Q000235:genetics / Q000648:ultrastructure*; D007425:Intracellular Membranes / Q000648:ultrastructure; D008854:Microscopy, Electron; D008954:Models, Biological; D008970:Molecular Weight
chemical_list: D004269:DNA, Bacterial; D004277:DNA, Single-Stranded